Which closed-end funds own Nuveen Municipal High Income Opportunity Fund?
5 active closed-end funds report this security in their latest N-PORT filing, with a combined reported value of $11M. Security type: common equity. Country: United States. CUSIP 670682103 · ISIN US6706821039 · ticker NMZ.
Holdings are historical filings (report dates Jun 30, 2026; N-PORT becomes public ~60 days after quarter end), not live positions. Weights are percent of each fund’s net assets. Different instruments of one issuer (shares, bonds, preferreds) are separate securities — see related securities below.
Funds holding this security
| Fund | Category | Weight | Value (USD) | Balance | Fund net assets | Prem/disc | Report date |
|---|---|---|---|---|---|---|---|
| RFM RiverNorth Flexible Municipal Income Fund | Municipal Bonds | 4.32% | $1.4M | 129,305 sh | $31.7M | 10.2% discount | Jun 30, 2026 |
| RMMZ RiverNorth Managed Duration Municipal Income Fund II | Municipal Bonds | 3.69% | $1.8M | 166,357 sh | $47.6M | NAV unavailable | Jun 30, 2026 |
| RFMZ RiverNorth Flexible Municipal Income Fund II | Municipal Bonds | 2.94% | $4.1M | 387,490 sh | $139M | 11.7% discount | Jun 30, 2026 |
| RMI RiverNorth Opportunistic Municipal Income Fund | Municipal Bonds | 2.77% | $924K | 87,415 sh | $33.3M | 7.2% discount | Jun 30, 2026 |
| RMM RiverNorth Managed Duration Municipal Income Fund | Municipal Bonds | 2.57% | $2.8M | 267,356 sh | $110M | 6.1% discount | Jun 30, 2026 |
5 positions. Source: SEC Form N-PORT via market-data vendor re-serve. Funds without an N-PORT on file cannot appear here.
Related securities from the same issuer
| Security | Type | Funds holding |
|---|---|---|
| Nuveen Municipal Credit Opportunities Fund | common equity | 1 |
| Nuveen Municipal Credit Income Fund | common equity | 1 |
| Nuveen Municipal Income ETF | common equity | 1 |
Issuer-level search for “NMZ” → · Compare two funds’ portfolios →